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Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Grow Salt Crystals!

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Which Fabrics are Most Absorbent?

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

How to Build a DNA Model

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

How Strong are a Bird's Bones?

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Design Challenge: Gumdrop Towers

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Leaf Rubbings: Shapes and Patterns

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Ancient Building Techniques

Have your child kick off their summer vacation by making a miniature water slide!

Design Challenge: Making a Water Slide

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Can New Plants Be Made Without Seeds?

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Compare Cotton and Nylon Absorbency

You don&#39;t need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Build an Indoor Igloo!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Arch Magic: The Unbreakable Egg

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does Storing Cucumbers and Tomatoes in the Fridge Spoil Its Unique Flavors?

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The Role of Fat in Food

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Does Opening A Fruit Up Cause it to Rot Faster?

This science fair project idea explores how length affects the weight a bridge can hold.

Bridge Over Troubled Water

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Erosion Experiment

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Seedy Situation

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Rubber Band Heat Engine

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

Temporary Art

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Make Meringue Science!

In this design challenge, your child will make a bottle rocket using typical household items.

Design Challenge: Making a Bottle Rocket

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Building Brick Challenge: Build the Eiffel Tower

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Teaching Worms

This science fair project idea explores  whether a sundial is as accurate as an atomic clock when telling time.

How Accurate is Using a Sundial Compared to an Atomic Clock?

This activity is a fun challenge for students who have just started learning to program educational robots.

Robot Around the Block

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Build a Popsicle Stick Bridge

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for &ldquo;something that will improve the school.&rdquo;

Design Challenge: Improve the School

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold? 

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